Halloween jack-o&#39;-lantern decoration



FIG. 1 is a front elevational view of a Halloween jack-o'-lantern decoration, embodying my new design;

FIG. 2 is a top plan view thereof; and,

FIG. 3 is a cross-sectional view thereof, taken in the direction of the arrows along line 3--3 of FIG. 2. 

The ornamental design for a Halloween jack-o'lantern decoration, as shown. 